FireWire 800 (9-pin) ↔ Molex 4-pin
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://cablefyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://cablefyi.com/entity//Add a dynamic SVG badge to your README or docs.
[](https://cablefyi.com/entity//)Use the native HTML custom element.
Compatibility check and signal path analysis
Adapter Required
These connectors are not directly compatible. An adapter or converter cable is needed.
Signal Path
FireWire 800 (9-pin)
Family
Legacy Data
Form Factor
Rectangular symmetric
Pin Count
9
Reversible
No
Molex 4-pin
Family
Power
Form Factor
Rectangular nylon 4-pin
Pin Count
4
Reversible
No
Notes
FireWire 800 (9-pin) to Molex 4-pin: Power and legacy data connectors serve different purposes. The FireWire 800 (9-pin) (Legacy Data) and Molex 4-pin (Power) are from different connector families.